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collect and instantiate hidden variables

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This commit is contained in:
Folkert 2020-10-25 19:11:03 +01:00
parent 2c55fa5ec5
commit f13c28fe7f
5 changed files with 59 additions and 19 deletions
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16
compiler/constrain/src/module.rs
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@ -150,8 +150,16 @@ where
));
}
let mut hidden_variables = MutSet::default();
hidden_variables.extend(actual.variables());
for loc_var in vars.iter() {
hidden_variables.remove(&loc_var.value.1);
}
let alias = Alias {
vars,
hidden_variables,
region: builtin_alias.region,
uniqueness: None,
typ: actual,
@ -196,8 +204,16 @@ pub fn constrain_imported_aliases(
actual.substitute(&substitution);
let mut hidden_variables = MutSet::default();
hidden_variables.extend(actual.variables());
for loc_var in vars.iter() {
hidden_variables.remove(&loc_var.value.1);
}
let alias = Alias {
vars,
hidden_variables,
region: imported_alias.region,
uniqueness: imported_alias.uniqueness,
typ: actual,